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Manual image setup
3-3 T2224zD Flat Panel Monitor User's Guide
Table3-2.Troubleshooting(continued)
Problem
Possible cause
Screen is blank
The monitor is in
and power
Standby/Suspend
indicator is
mode
steady amber or
flashing green
The power
The video signal
indicator is
cable is loose or
green, but there disconnected from
is no image.
the system or
monitor.
The power
The monitor
indicator is
brightness and
green, but there contrast are at the
is no image.
lowest setting.
One or more of
This is a
the pixels appear characteristic of the five pixels missing,
discoloured
LCD technology
and is not an LCD
defect.
● Fuzzy lines in ● Image setup has
text or a
not been
blurry image.
optimized
● Horizontal or ● Your system
Display
vertical lines
Properties setting 1920 x 1080 at 60 Hz.
through the
have not been
image.
optimized.
● Fuzzy lines in ● Image setup has
text or a
not been
blurry image.
optimized
● Horizontal or ● Your system
Display
vertical lines
Properties setting
through the
have not been
image.
optimized.
● Fuzzy lines in ● Image setup has
text or a
not been
blurry image.
optimized
● Horizontal or ● Your system
Display
vertical lines
Properties setting Inch (DPI) setting on
through the
have not been
image.
optimized.
The image is not It has not set the
acceptable when optimum resolution
switching to
for each mode
dual mode
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
Suggested action
● Press any key on the
keyboard or move the management" on page
mouse to restore
operation.
● Check the Power
options settings on
your computer.
Be sure the video cable is "Connecting and turning
connected with the
system properly.
Adjust the brightness and "Adjusting your monitor
contrast setting on the
OSD menu.
If there are more than
contact the Customer
Support Centre.
Adjust the resolution
settings on your system
to match the native
resolution for this
monitor:
Perform automatic image "Selecting a supported
setup. If automatic image display mode" on page
setup does not help,
perform manual image
setup.
When working in the
native resolution, you
may find additional
improvements by
adjusting the Dots Per
your system.
● Use ThinkVision Duo
software to optimize
the dual screen
operation
● Adjust graphic card
resolution manually
Reference
"Understanding power
2-7
on your monitor
" on
page 1-5
image" on page 2-3
Appendix A, "Service
and Support" on page
A-2
"Adjusting your monitor
image" on page 2-3
2-6
See the Advanced section
of your system's display
properties.
"Using the direct access
controls" on page 2-3
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